Unknown,Transcriptomics,Genomics,Proteomics

Dataset Information

Transcription profiling of early development of neural crest stem cells and developing Schwann cells, from embryonic day 9.5 to postnatal day 0.

ABSTRACT: Time course of early development of peripheral nerve, from embryonic day 9.5 to postnatal day 0. Origin of samples: mouse embryos expressing green fluorescent protein (GFP) in neural crest stem cells and later glial cells under the control of the proteolipid protein gene (Plp) promoter. At E9.5 the trunk region was dissected out. At E12, E14, E16, E18 and P0 the sciatic nerve was taken. GFP-expressing cells were isolated by FACS sorting. Three or 4 separate batches of embryos analyzed at each stage.

ORGANISM(S): Mus musculus

SUBMITTER: Ned Mantei

PROVIDER: E-GEOD-972 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Efficient isolation and gene expression profiling of small numbers of neural crest stem cells and developing Schwann cells.

Buchstaller Johanna J Sommer Lukas L Bodmer Matthias M Hoffmann Reinhard R Suter Ueli U Mantei Ned N

The Journal of neuroscience : the official journal of the Society for Neuroscience 20040301 10

Schwann cells develop from multipotent neural crest stem cells and are important for neuronal survival, maintenance of axonal integrity, and myelination. We used transgenic mice expressing green fluorescent protein in a tissue-specific manner to isolate viable, pure populations of neural crest stem cells and developing Schwann cells, which are not readily accessible by microdissection. Starting with the minute amounts of RNA obtained, a two-round amplification procedure was used to achieve repro ...[more]

PMID: 15014110

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Project description:Eight different types of sample (three samples each) were used in this study of cardiac cell migration in the tunicate Ciona intestinalis. The B7.5 lineage cells were isolated by Fluorescent Activated Cell Sorting (FACS) at the tailbud stage, when the cardiac precursors (anterior B7.5 lineage cells) are migrating into the trunk, while their sister cells (posterior 7.5 lineage cells) remain in the tail, where they form muscle cells. Cells were sorted at the late gastrula stage, prior to migration induction and after manipulation of the FGF-MAPK-Ets signaling pathway (targeted expression of dominant negative FGF receptor and Ets:VP16 fusion protein, targeted expression was achieved using the Mesp cis-regulatory DNA), FoxF function (a direct target of FGF-MAPK-Ets signaling, required primarily for cell migration) by targeted expression of FoxF:VP16 (constitutive activator) or FoxF:WRPW (constitutive repressor, dominant negative), Mesp function (over-expression of Mesp:VP16 inhibits primarily cell migration). Finally, the "whole embryo" samples were collected from dissociated whole tailbud embryos, without FACS. in summary the eight conditions are: "wt (files LC-wt-1,-2,-3)": wild_type B7.5 lineage cells, expressing GFP, sorted at the tailbud stage "Ets:VP16 (files LC-EV-1,-2,-3)": B7.5 lineage cells, expressing GFP and Ets:VP16, sorted at the tailbud stage "DnFGFR (files LC-dnFGFR-1,-2,-3)": B7.5 lineage cells, expressing GFP and dominant-negative FGF receptor, sorted at the tailbud stage. "FoxF:VP16 (files LC-FV-1,-2,-3)": B7.5 lineage cells, expressing GFP and FoxF:VP16, sorted at the tailbud stage. "FoxF:WRPW (files LC-FW-1,-2,-3)": B7.5 lineage cells, expressing GFP and FoxF:WRPW, sorted at the tailbud stage". "Mesp:VP16 (files LC-MV-1,-2,-3)": B7.5 lineage cells, expressing GFP and Mesp:VP16, sorted at the tailbud stage. "Late Gastrula (files LC-LG-1,-2,-3)": wild_type B7.5 lineage cells, expressing GFP, sorted at the late gastrula stage "whole embryo (files LC-whole-1,-2,-3": whole embryos, dissociated at the tailbud stage, not sorted.

Dataset Information

Transcription profiling of early development of neural crest stem cells and developing Schwann cells, from embryonic day 9.5 to postnatal day 0.

Publications

Efficient isolation and gene expression profiling of small numbers of neural crest stem cells and developing Schwann cells.

Similar Datasets

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